Concerning the Iskanders, he did not rule out “a certain pause in supplies to foreign customers until the Russian army has received these systems.”

The decision to place the anti-missile system in Kaliningrad was made in retaliation for American plans for a shield in Eastern Europe.

Moscow and Washington will hold talks on the projected U.S. shield this December.

The statement comes after the visit of U.S. Undersecretary of State William Burns to Moscow where he met Russian Foreign Minister Sergey Lavrov. Burns said a constructive dialogue between Russia and the United States is very important.

It's was the first visit of a top-ranking U.S. official to Moscow since the armed Georgia-South Ossetia conflict.